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Expired Canadian patentCanada

Wire strainer

CA 99302 A · Owner: Thompson, Charles Edwin · Inventors: Ingram, Gordon; Thompson, Charles Edwin

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted May 29, 1906. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 29, 1923.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 22, 1904
GrantedMay 29, 1906
Term endedMay 29, 1923
Patent numberCA 99302 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

1905190719091911191319151917191919211923Application filedDec 22, 1904Patent grantedMay 29, 1906Term endedMay 29, 1923

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.